CVE-2021-35344 json
tsMuxer v2.6.16 was discovered to contain a heap-based buffer overflow via the function BitStreamReader::getCurVal in bitStream.h.
published 2021-12-03 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21987
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
tsMuxer v2.6.16 was discovered to contain a heap-based buffer overflow via the function BitStreamReader::getCurVal in bitStream.h.
Patch / fix
Exploit prediction
1.78% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/justdan96/tsMuxer/issues/432 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/justdan96/tsMuxer/pull/439/commits/3a889a37b5b74a45025aca13ebda394b8f706ef3
patch, third-party-advisory
-
github.com
/justdan96/tsMuxer/issues/432
exploit, third-party-advisory
Sources
- CVE List CVE-2021-35344
- NVD CVE-2021-35344
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